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A. The set includes three types: multi-spline extractors for high torque or restricted access situations, spiral flute extractors for fasteners requiring less torque, and 3/8"sq drive reverse spiral bolt extractors designed for maximum grip on bolts and nuts.
A. Yes, a reversible drill is required to use the left-handed HSS drill bits. The reverse cutting action of these bits can often extract a seized fastener during the pilot hole drilling stage, before an extractor is needed.
A. The left-hand HSS drill bits are supplied in the following sizes: 5/64", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 19/64", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32" and 1/2".
A. The reverse spiral bolt extractors cover: 1/4", 5/16" (8mm), 3/8", 10mm, 7/16" (11mm), 12mm, 1/2", 13mm, 9/16" (14mm), 5/8" (16mm), 17mm, 11/16" and 3/4" (19mm).
A. The reverse spiral bolt extractors use a 3/8"sq drive. A 3/8" to 1/4"sq drive adaptor is included in the set.
A. The extractors are manufactured from Chrome Molybdenum.
A. Yes, the full 49-piece set is supplied in a storage case.
A. Yes, the AK8186 is available as a variant in the same product family with a different specification. Please check the AK8186 listing for full details.
A. Yes, alternatives include the AK7281, AK8132, AK8156, and AK8183. Each is a different product offering similar extraction functionality - please refer to those individual listings to compare specifications.
A. Standard UK mainland delivery is 3-5 working days.
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